Index: libcfa/src/concurrency/io/call.cfa.in
===================================================================
--- libcfa/src/concurrency/io/call.cfa.in	(revision e0b8d66dfb2016ccf7acf85e3c17a5038866a37e)
+++ libcfa/src/concurrency/io/call.cfa.in	(revision 77d601f3f5f31a4c0535bde61b595255fe2c6422)
@@ -132,5 +132,5 @@
 	extern int epoll_ctl(int epfd, int op, int fd, struct epoll_event *event);
 
-	extern ssize_t splice(int fd_in, loff_t *off_in, int fd_out, loff_t *off_out, size_t len, unsigned int flags);
+	extern ssize_t splice(int fd_in, __off64_t *off_in, int fd_out, __off64_t *off_out, size_t len, unsigned int flags);
 	extern ssize_t tee(int fd_in, int fd_out, size_t len, unsigned int flags);
 }
@@ -366,5 +366,5 @@
 	}),
 	# CFA_HAVE_IORING_OP_SPLICE
-	Call('SPLICE', 'ssize_t splice(int fd_in, loff_t *off_in, int fd_out, loff_t *off_out, size_t len, unsigned int flags)', {
+	Call('SPLICE', 'ssize_t splice(int fd_in, __off64_t *off_in, int fd_out, __off64_t *off_out, size_t len, unsigned int flags)', {
 		'splice_fd_in': 'fd_in',
 		'splice_off_in': 'off_in ? (__u64)*off_in : (__u64)-1',
Index: libcfa/src/concurrency/iofwd.hfa
===================================================================
--- libcfa/src/concurrency/iofwd.hfa	(revision e0b8d66dfb2016ccf7acf85e3c17a5038866a37e)
+++ libcfa/src/concurrency/iofwd.hfa	(revision 77d601f3f5f31a4c0535bde61b595255fe2c6422)
@@ -91,5 +91,5 @@
 extern ssize_t cfa_read(int fd, void * buf, size_t count, __u64 submit_flags);
 extern ssize_t cfa_write(int fd, void * buf, size_t count, __u64 submit_flags);
-extern ssize_t cfa_splice(int fd_in, loff_t *off_in, int fd_out, loff_t *off_out, size_t len, unsigned int flags, __u64 submit_flags);
+extern ssize_t cfa_splice(int fd_in, __off64_t *off_in, int fd_out, __off64_t *off_out, size_t len, unsigned int flags, __u64 submit_flags);
 extern ssize_t cfa_tee(int fd_in, int fd_out, size_t len, unsigned int flags, __u64 submit_flags);
 
@@ -124,5 +124,5 @@
 void async_read(io_future_t & future, int fd, void * buf, size_t count, __u64 submit_flags);
 extern void async_write(io_future_t & future, int fd, void * buf, size_t count, __u64 submit_flags);
-extern void async_splice(io_future_t & future, int fd_in, loff_t *off_in, int fd_out, loff_t *off_out, size_t len, unsigned int flags, __u64 submit_flags);
+extern void async_splice(io_future_t & future, int fd_in, __off64_t *off_in, int fd_out, __off64_t *off_out, size_t len, unsigned int flags, __u64 submit_flags);
 extern void async_tee(io_future_t & future, int fd_in, int fd_out, size_t len, unsigned int flags, __u64 submit_flags);